define([
  './Transforms-9052372a',
  './Matrix3-fa806b97',
  './Check-6ede7e26',
  './ComponentDatatype-cf1fa08e',
  './defaultValue-fe22d8c0',
  './GeometryAttribute-7a2de5c6',
  './GeometryAttributes-ad136444',
  './GeometryOffsetAttribute-9ad0019c',
  './Math-dad82b4d',
  './Matrix2-1e403d0e',
  './RuntimeError-ef395448',
  './combine-d9581036',
  './WebGLConstants-0b1ce7ba'
], function (
  Transforms,
  Matrix3,
  Check,
  ComponentDatatype,
  defaultValue,
  GeometryAttribute,
  GeometryAttributes,
  GeometryOffsetAttribute,
  Math,
  Matrix2,
  RuntimeError,
  combine,
  WebGLConstants
) {
  'use strict'

  const diffScratch = new Matrix3.Cartesian3()

  /**
   * A description of the outline of a cube centered at the origin.
   *
   * @alias BoxOutlineGeometry
   * @constructor
   *
   * @param {object} options Object with the following properties:
   * @param {Cartesian3} options.minimum The minimum x, y, and z coordinates of the box.
   * @param {Cartesian3} options.maximum The maximum x, y, and z coordinates of the box.
   *
   * @see BoxOutlineGeometry.fromDimensions
   * @see BoxOutlineGeometry.createGeometry
   * @see Packable
   *
   * @example
   * const box = new Cesium.BoxOutlineGeometry({
   *   maximum : new Cesium.Cartesian3(250000.0, 250000.0, 250000.0),
   *   minimum : new Cesium.Cartesian3(-250000.0, -250000.0, -250000.0)
   * });
   * const geometry = Cesium.BoxOutlineGeometry.createGeometry(box);
   */
  function BoxOutlineGeometry(options) {
    options = defaultValue.defaultValue(options, defaultValue.defaultValue.EMPTY_OBJECT)

    const min = options.minimum
    const max = options.maximum

    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.object('min', min)
    Check.Check.typeOf.object('max', max)
    if (defaultValue.defined(options.offsetAttribute) && options.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.TOP) {
      throw new Check.DeveloperError('GeometryOffsetAttribute.TOP is not a supported options.offsetAttribute for this geometry.')
    }
    //>>includeEnd('debug');

    this._min = Matrix3.Cartesian3.clone(min)
    this._max = Matrix3.Cartesian3.clone(max)
    this._offsetAttribute = options.offsetAttribute
    this._workerName = 'createBoxOutlineGeometry'
  }

  /**
   * Creates an outline of a cube centered at the origin given its dimensions.
   *
   * @param {object} options Object with the following properties:
   * @param {Cartesian3} options.dimensions The width, depth, and height of the box stored in the x, y, and z coordinates of the <code>Cartesian3</code>, respectively.
   * @returns {BoxOutlineGeometry}
   *
   * @exception {DeveloperError} All dimensions components must be greater than or equal to zero.
   *
   *
   * @example
   * const box = Cesium.BoxOutlineGeometry.fromDimensions({
   *   dimensions : new Cesium.Cartesian3(500000.0, 500000.0, 500000.0)
   * });
   * const geometry = Cesium.BoxOutlineGeometry.createGeometry(box);
   *
   * @see BoxOutlineGeometry.createGeometry
   */
  BoxOutlineGeometry.fromDimensions = function (options) {
    options = defaultValue.defaultValue(options, defaultValue.defaultValue.EMPTY_OBJECT)
    const dimensions = options.dimensions

    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.object('dimensions', dimensions)
    Check.Check.typeOf.number.greaterThanOrEquals('dimensions.x', dimensions.x, 0)
    Check.Check.typeOf.number.greaterThanOrEquals('dimensions.y', dimensions.y, 0)
    Check.Check.typeOf.number.greaterThanOrEquals('dimensions.z', dimensions.z, 0)
    //>>includeEnd('debug');

    const corner = Matrix3.Cartesian3.multiplyByScalar(dimensions, 0.5, new Matrix3.Cartesian3())

    return new BoxOutlineGeometry({
      minimum: Matrix3.Cartesian3.negate(corner, new Matrix3.Cartesian3()),
      maximum: corner,
      offsetAttribute: options.offsetAttribute
    })
  }

  /**
   * Creates an outline of a cube from the dimensions of an AxisAlignedBoundingBox.
   *
   * @param {AxisAlignedBoundingBox} boundingBox A description of the AxisAlignedBoundingBox.
   * @returns {BoxOutlineGeometry}
   *
   *
   *
   * @example
   * const aabb = Cesium.AxisAlignedBoundingBox.fromPoints(Cesium.Cartesian3.fromDegreesArray([
   *      -72.0, 40.0,
   *      -70.0, 35.0,
   *      -75.0, 30.0,
   *      -70.0, 30.0,
   *      -68.0, 40.0
   * ]));
   * const box = Cesium.BoxOutlineGeometry.fromAxisAlignedBoundingBox(aabb);
   *
   *  @see BoxOutlineGeometry.createGeometry
   */
  BoxOutlineGeometry.fromAxisAlignedBoundingBox = function (boundingBox) {
    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.object('boundindBox', boundingBox)
    //>>includeEnd('debug');

    return new BoxOutlineGeometry({
      minimum: boundingBox.minimum,
      maximum: boundingBox.maximum
    })
  }

  /**
   * The number of elements used to pack the object into an array.
   * @type {number}
   */
  BoxOutlineGeometry.packedLength = 2 * Matrix3.Cartesian3.packedLength + 1

  /**
   * Stores the provided instance into the provided array.
   *
   * @param {BoxOutlineGeometry} value The value to pack.
   * @param {number[]} array The array to pack into.
   * @param {number} [startingIndex=0] The index into the array at which to start packing the elements.
   *
   * @returns {number[]} The array that was packed into
   */
  BoxOutlineGeometry.pack = function (value, array, startingIndex) {
    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.object('value', value)
    Check.Check.defined('array', array)
    //>>includeEnd('debug');

    startingIndex = defaultValue.defaultValue(startingIndex, 0)

    Matrix3.Cartesian3.pack(value._min, array, startingIndex)
    Matrix3.Cartesian3.pack(value._max, array, startingIndex + Matrix3.Cartesian3.packedLength)
    array[startingIndex + Matrix3.Cartesian3.packedLength * 2] = defaultValue.defaultValue(value._offsetAttribute, -1)

    return array
  }

  const scratchMin = new Matrix3.Cartesian3()
  const scratchMax = new Matrix3.Cartesian3()
  const scratchOptions = {
    minimum: scratchMin,
    maximum: scratchMax,
    offsetAttribute: undefined
  }

  /**
   * Retrieves an instance from a packed array.
   *
   * @param {number[]} array The packed array.
   * @param {number} [startingIndex=0] The starting index of the element to be unpacked.
   * @param {BoxOutlineGeometry} [result] The object into which to store the result.
   * @returns {BoxOutlineGeometry} The modified result parameter or a new BoxOutlineGeometry instance if one was not provided.
   */
  BoxOutlineGeometry.unpack = function (array, startingIndex, result) {
    //>>includeStart('debug', pragmas.debug);
    Check.Check.defined('array', array)
    //>>includeEnd('debug');

    startingIndex = defaultValue.defaultValue(startingIndex, 0)

    const min = Matrix3.Cartesian3.unpack(array, startingIndex, scratchMin)
    const max = Matrix3.Cartesian3.unpack(array, startingIndex + Matrix3.Cartesian3.packedLength, scratchMax)
    const offsetAttribute = array[startingIndex + Matrix3.Cartesian3.packedLength * 2]

    if (!defaultValue.defined(result)) {
      scratchOptions.offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute
      return new BoxOutlineGeometry(scratchOptions)
    }

    result._min = Matrix3.Cartesian3.clone(min, result._min)
    result._max = Matrix3.Cartesian3.clone(max, result._max)
    result._offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute

    return result
  }

  /**
   * Computes the geometric representation of an outline of a box, including its vertices, indices, and a bounding sphere.
   *
   * @param {BoxOutlineGeometry} boxGeometry A description of the box outline.
   * @returns {Geometry|undefined} The computed vertices and indices.
   */
  BoxOutlineGeometry.createGeometry = function (boxGeometry) {
    const min = boxGeometry._min
    const max = boxGeometry._max

    if (Matrix3.Cartesian3.equals(min, max)) {
      return
    }

    const attributes = new GeometryAttributes.GeometryAttributes()
    const indices = new Uint16Array(12 * 2)
    const positions = new Float64Array(8 * 3)

    positions[0] = min.x
    positions[1] = min.y
    positions[2] = min.z
    positions[3] = max.x
    positions[4] = min.y
    positions[5] = min.z
    positions[6] = max.x
    positions[7] = max.y
    positions[8] = min.z
    positions[9] = min.x
    positions[10] = max.y
    positions[11] = min.z

    positions[12] = min.x
    positions[13] = min.y
    positions[14] = max.z
    positions[15] = max.x
    positions[16] = min.y
    positions[17] = max.z
    positions[18] = max.x
    positions[19] = max.y
    positions[20] = max.z
    positions[21] = min.x
    positions[22] = max.y
    positions[23] = max.z

    attributes.position = new GeometryAttribute.GeometryAttribute({
      componentDatatype: ComponentDatatype.ComponentDatatype.DOUBLE,
      componentsPerAttribute: 3,
      values: positions
    })

    // top
    indices[0] = 4
    indices[1] = 5
    indices[2] = 5
    indices[3] = 6
    indices[4] = 6
    indices[5] = 7
    indices[6] = 7
    indices[7] = 4

    // bottom
    indices[8] = 0
    indices[9] = 1
    indices[10] = 1
    indices[11] = 2
    indices[12] = 2
    indices[13] = 3
    indices[14] = 3
    indices[15] = 0

    // left
    indices[16] = 0
    indices[17] = 4
    indices[18] = 1
    indices[19] = 5

    //right
    indices[20] = 2
    indices[21] = 6
    indices[22] = 3
    indices[23] = 7

    const diff = Matrix3.Cartesian3.subtract(max, min, diffScratch)
    const radius = Matrix3.Cartesian3.magnitude(diff) * 0.5

    if (defaultValue.defined(boxGeometry._offsetAttribute)) {
      const length = positions.length
      const offsetValue = boxGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1
      const applyOffset = new Uint8Array(length / 3).fill(offsetValue)
      attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
        componentDatatype: ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
        componentsPerAttribute: 1,
        values: applyOffset
      })
    }

    return new GeometryAttribute.Geometry({
      attributes: attributes,
      indices: indices,
      primitiveType: GeometryAttribute.PrimitiveType.LINES,
      boundingSphere: new Transforms.BoundingSphere(Matrix3.Cartesian3.ZERO, radius),
      offsetAttribute: boxGeometry._offsetAttribute
    })
  }

  function createBoxOutlineGeometry(boxGeometry, offset) {
    if (defaultValue.defined(offset)) {
      boxGeometry = BoxOutlineGeometry.unpack(boxGeometry, offset)
    }
    return BoxOutlineGeometry.createGeometry(boxGeometry)
  }

  return createBoxOutlineGeometry
})
